11 Cranmore Avenue, Isleworth, TW7 4QW
About 11 Cranmore Avenue
11 Cranmore Avenue is a three-bedroom semi-detached house in Isleworth (TW7 4QW). It has a recorded floor area of 102 m² (around 1098 sq ft), construction records dating it to 1930-1949 and council tax band F. The latest certificate (February 2025) shows a C (score 69), just inside the C band. When first surveyed in March 2012 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Poor, roof efficiency went from Very Poor to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 87). Our model identifies extension potential, subject to local planning policy.
A recent sale: £876,000 in August 2025. At 102 m² it sits well below the postcode median (175 m² across 14 EPCs), making it one of the more compact homes locally. 4 planning records sit against the property, 4 approved, 0 refused. Past consents include an extension, a porch and partial demolition, meaningful when judging how the property has evolved. Across 1995–2025, sale prices on this property compounded at 6.2% per year. On a £-per-square-foot basis, the last sale (£798/sq ft) was about 109.8% above the typical sold price in the postcode.
Know exactly what you're buying at 11 Cranmore Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms1
Outside
- Private gardenYes
- GarageYes
Building
- Extension potentialPossible
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Planning history
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
- Apr 2026PorchOutlineIn report
Certificate of lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows and the erection of a front porch to the house.
Extension- Documents
- 10 docs on file
- Reference
- P/2026/0786
- Mar 2026ExtensionOutlineIn report
Extension: Single storey · Rear of property
Ground floor rear extension 6.00 metres deep, maximum height 3.00 metres, 2.95 metres high to the eaves.
- Documents
- 9 docs on file
- Reference
- PA/2026/0672
We flagged 2 things worth checking at 11 Cranmore Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
Price for 11 Cranmore Avenue has grown more than fourfold since the 1995 starting point.
£831,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 30 years.
£876,000
Growth on file: 6.2% per year over 30 years.
Sales timeline
28 August 2025Most recent
£876,000
+17.0%over 7 years5 February 2018
£749,000
+82.7%over 12 years25 November 2005
£410,000
+196.0%over 10 years3 March 1995
£138,500
Median price across the last 5 sales in TW7 4QW: £975,000 (2024–2022).
Nearby sales in TW7 4QW
Everything we know about 11 Cranmore Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby
Versus other Cranmore Avenue homes
Price per m² for 11 Cranmore Avenue runs comfortably ahead of the street norm.
Price per m²
£8,588
Street avg £4,294
Floor Area
102 m²
Street avg 189 m²
Habitable Rooms
5 rooms
Street avg 7 rooms
CO₂ Emissions
3.4 t/year
Street avg 5.4 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Osterley Underground Station — subway entrance.
Closest school
0.9 km
Isleworth and Syon School for Boys. 48 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.3dB
Night-time· 23:00 – 07:00
44.4dB